A woman over 40 needs vitamin B12 like air! Here are the warning signs of deficiency.

Early symptoms of deficiency include fatigue, confusion, and muscle weakness. However, many people who experience these symptoms are unaware that they may be vitamin B12 deficient. If symptoms persist for several weeks, a blood test is recommended to check for low vitamin B12 levels.

Other symptoms associated with vitamin B12 deficiency include:

bleeding gums;

diarrhea;

dizziness;

heart palpitations;

loss of appetite;

weight loss;

nausea;

the appearance of mouth ulcers;

memory loss;

lack of motivation;

depression;

numbness in the limbs;

balance problems.